List app pools

try{
Import-Module WebAdministration
Get-WebApplication

$webapps = Get-WebApplication
$list = @()
foreach ($webapp in get-childitem IIS:\AppPools\)
{
            $name = "IIS:\AppPools\" + $webapp.name
            $item = @{}

            $item.Password = $webapp.processModel.password
            $item.Username = $webapp.processModel.userName
            $item.Version = (Get-ItemProperty $name managedRuntimeVersion).Value
            $item.UserIdentityType = $webapp.processModel.identityType
            $item.State = (Get-WebAppPoolState -Name $webapp.name).Value
            $item.WebAppName = $webapp.name

            $obj = New-Object PSObject -Property $item
            $list += $obj
}

$list #| ft -auto # -column 6 # Format-Table -a -Property "WebAppName", "Version", "State", "UserIdentityType", "Username", "Password"

}
catch
{
            $ExceptionMessage = "Error in Line: " + $_.Exception.Line + ". " + $_.Exception.GetType().FullName + ": " + $_.Exception.Message + " Stacktrace: " + $_.Exception.StackTrace
            $ExceptionMessage
}